Metoprolol Succinate is a medicinal compound with molecular formula C34H56N2O10 with molar mass of 652.826 g/mol. It is a selective adrenergic beta-1 blocker which is prescribed for treatment of various cardiovascular conditions including angina, heart failure, and high blood pressure. This compound is known to work by decreasing nodal action potential of slope of phase 4. It shows bioavailability of about 50% with single dose and protein binding ability of 12%. Metoprolol Succinate gets metabolized in liver with help of CYP2D6 & CYP3A4 and elimination half life of 3 to 7 hours. It is also suitable to be used for treatment of vasovagal syncope and long QT syndrome.